Symptoms : mental and physical exhaustion, muscle pain and overwhelming tiredness.
“The cause of CFS is unknown, and multiple psychological and physiological factors may contribute to the development and maintenance of symptoms. There is no diagnostic laboratory test or biomarker for CFS”
“Despite a vigorous search, scientists have not yet identified what causes CFS. While a single cause for CFS may yet be identified, another possibility is that CFS has multiple causes. Conditions that have been studied to determine if they cause or trigger the development of CFS include infections, immune disorders, stress, trauma, and toxins.”
Source: A extensive list of possible contributing factors , US Centers for Disease Control and Prevention.
Recent theories, which asserted that it may be caused by a mouse virus called xenotropic murine leukaemia virus-related virus (XMRV) have now been undermined by two studies which suggest that the positive results of the original XMRV experiments may have been due to sample-contamination (source: New Scientist 2nd June 2011.)
Ideas for new topics, and suggested additions / corrections for old ones, are always welcome.
If you have skills or interests in a particular field, and have suggestions for Wikenigma, get in touch !
Or, if you'd like to become a regular contributor . . . request a login password. Registered users can edit the entire content of the site, and also create new pages.
( The 'Notes for contributors' section in the main menu has further information and guidelines etc.)